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You searched for: mediatype:texts AND collection:penn_state_univ AND subject:"Raw Materials"
[texts]Raw materials in the United States economy: 1900-1961 - Spencer, Vivian Eberle, 1907-
Includes bibliographical references
Keywords: Raw materials United States Statistics
Downloads: 179
[texts]Raw materials in the United States economy, 1900-1977 - Spencer, Vivian Eberle, 1907-
31
Keywords: Raw materials; Industrial statistics; Matières premières; Industrie
Downloads: 85
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